Ergonomics: Difference between revisions

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[[Ergonomic hazard|Physical ergonomics]] is concerned with human anatomy, and some of the anthropometric, physiological, and biomechanical characteristics as they relate to physical activity.<ref name="IEAdef"/> Physical ergonomic principles have been widely used in the [[industrial design|design]] of both consumer and industrial products for optimizing performance and to preventing / treating work-related disorders by reducing the mechanisms behind mechanically induced acute and chronic musculoskeletal injuries / disorders.<ref>Madeleine, P., Vangsgaard, S., de Zee, M., Kristiansen, M. V., Verma, R., Kersting, U. G., Villumsen, M., & Samani, A. (2014). Ergonomics in sports and at work. In Proceedings, 11th International Symposium on Human Factors in Organisational Design and Management, ODAM, & 46th Annual Nordic Ergonomics Society Conference, NES, 17–20 August 2014, Copenhagen, Denmark (pp. 57-62). International Ergonomics Association.</ref> Risk factors such as localized mechanical pressures, force and posture in a sedentary office environment lead to injuries attributed to an occupational environment.<ref>{{Cite web|url=http://www.ehscp.org/resources/Documents/Ergonomics/Final%20Version%2011-06-07.pdf|title=Ergonomic Guidelines for Common Job Functions Within The Telecommunication Industry}}</ref> Physical ergonomics is important to those diagnosed with physiological ailments or disorders such as [[arthritis]] (both chronic and temporary) or [[carpal tunnel syndrome]]. Pressure that is insignificant or imperceptible to those unaffected by these disorders may be very painful, or render a device unusable, for those who are. Many ergonomically designed products are also used or recommended to treat or prevent such disorders, and to treat pressure-related [[chronic pain]].<ref>{{Cite web|last=Kaplan|first=Sally|title=6 affordable products that have helped me deal with back pain and muscle tension|url=https://www.insider.com/products-that-reduce-back-pain|access-date=2021-03-15|website=Insider}}</ref>
 
One of the most prevalent types of work-related injuries is musculoskeletal disorder. Work-related musculoskeletal disorders (WRMDs) result in persistent pain, loss of functional capacity and work disability, but their initial diagnosis is difficult because they are mainly based on complaints of pain and other symptoms.<ref>{{Cite journal |doi = 10.1590/s0034-89102008000100014|pmid = 18200347|title = Clinical and functional aspects of work-related musculoskeletal disorders among active workers|journal = Revista de Saúde Pública|volume = 42|issue = 1|pages = 108–116|year = 2008|last1 = Walsh|first1 = Isabel A P.|last2 = Oishi|first2 = Jorge|last3 = Coury|first3 = Helenice J C Gil|doi-access = free}}</ref> Every year, 1.8&nbsp;million U.S. workers experience WRMDs and nearly 600,000 of the injuries are serious enough to cause workers to miss work.<ref>{{cite news | title=BEACON Biodynamics and Ergonomics Symposium | date=27 October 2000 | location=University of Connecticut, Farmington, Conn. | author = Charles N. Jeffress}}</ref> Certain jobs or work conditions cause a higher rate of worker complaints of undue strain, localized fatigue, discomfort, or pain that does not go away after overnight rest. These types of jobs are often those involving activities such as repetitive and forceful exertions; frequent, heavy, or overhead lifts; awkward work positions; or use of vibrating equipment.<ref name=NIOSH>{{cite web |url=http://www.buildings.com/articles/detail.aspx?contentID=1563 |title=Workplace Ergonomics: NIOSH Provides Steps to Minimize Musculoskeletal Disorders |year=2003 |access-date=2008-04-23 |archive-date=19 June 2008 |archive-url=https://web.archive.org/web/20080619070428/http://www.buildings.com/articles/detail.aspx?contentID=1563 |url-status=dead }}</ref> The Occupational Safety and Health Administration (OSHA) has found substantial evidence that ergonomics programs can cut workers' compensation costs, increase productivity and decrease employee turnover.<ref>{{cite book | title=BEACON Biodynamics and Ergonomics Symposium | date=27 October 2000 | locationpublisher=University of Connecticut, | publication-place=Farmington, Conn.Connecticut | author first= Charles N. | last=Jeffress}}</ref> Mitigation solutions can include both short term and long-term solutions. Short and long-term solutions involve awareness training, positioning of the body, furniture and equipment and ergonomic exercises. Sit-stand stations and computer accessories that provide soft surfaces for resting the palm as well as split keyboards are recommended. Additionally, resources within the HR department can be allocated to provide assessments to employees to ensure the above criteria are met.<ref>{{Cite web|url=http://www.ehscp.org/resources/Documents/Ergonomics/Final%20Version%2011-06-07.pdf|title=Ergonomic Guidelines for Common Job Functions Within The Telecommunication Industry}}</ref> Therefore, it is important to gather data to identify jobs or work conditions that are most problematic, using sources such as injury and illness logs, medical records, and job analyses.<ref name=NIOSH/>
[[File:Microsoft Natural Ergonomic Keyboard 4000.png|thumb|Ergonomically designed keyboard]]
Innovative workstations that are being tested include sit-stand desks, height adjustable desk, treadmill desks, pedal devices and cycle ergometers.<ref>{{Cite web|title=What Is Ergonomics and Its Application in The Real World|url=https://www.spassway.com/blogs/office-ergonomics/what-is-ergonomics-and-its-application-in-the-real-world|access-date=2021-03-15|website=spassway|language=en}}</ref> In multiple studies these new workstations resulted in decreased waist circumference and improved psychological well-being. However a significant number of additional studies have seen no marked improvement in health outcomes.<ref name=":0">{{Cite journal |last1=Neuhaus |first1=M. |last2=Eakin |first2=E. G.|last3=Straker |first3=L. |last4=Owen |first4=N. |last5=Dunstan| first5=D. W.|last6=Reid |first6=N. |last7=Healy |first7=G. N. |date=October 2014|title=Reducing occupational sedentary time: a systematic review and meta-analysis of evidence on activity-permissive workstations|journal=Obesity Reviews |volume=15|issue=10|pages=822–838|doi=10.1111/obr.12201|issn=1467-789X|pmid=25040784|s2cid=9092084|url=http://espace.library.uq.edu.au/view/UQ:342216/OAUQ342216.pdf}}</ref>